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tuo la ji gu zhang 6 ze
Author(s): 
Pages: 29
Year: Issue:  7
Journal: Farm Machinery

Keyword:  故障排除负荷试车缸套拉缸试车过程铆合配合间隙下限值尺寸偏差缸垫;
Abstract: <正> ①-东方红-75拖拉机无负荷试车时,后轴连续弯曲。检查后轴,符合标准。进一步检查后发现,左右后托架与大梁铆合时产生变形。校正后,故障排除。②-东方红-75拖拉机,在试车过程中,连续3次拉缸。测量缸套,发现缸套尺寸偏差为下限值,而活塞尺寸偏差为上限值。这样,缸套与活塞的配合间隙为最小尺寸,加上产品制造误差,便产生了拉缸现象。改用I组活塞与Ⅱ组缸套相配合,组装后故障排除了。
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